{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010509},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010931","490:4900010850","490:4900011090","490:4900011158","490:4900011004","490:4900010755","490:4900010917","490:4900010766","490:4900010930","490:4900011009","490:4900010505","490:4900011085","490:4900010768","490:4900010590","490:4900011162","490:4900011007","490:4900010765","490:4900010998","490:4900010425","490:4900010338","490:4900011006","490:4900010512","490:4900010421","490:4900011245","490:4900011445"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7149277985427043,0.42459507459749407,0.41227158492035065,0.4071669049315936,0.374409378059269,0.3414219078980505,0.33175790397150995,0.3114148415070505,0.30354552834336795,0.2878793467071191,0.2865098511370606,0.28107119442516654,0.2779375926880186,0.26747789900369945,0.26699357236567767,0.2598929728406925,0.25288725059346917,0.22557800807817857,0.22513024180077446,0.2228490102209238,0.21755463574972153,0.2149025066582653,0.21232870714396518,0.21179045643690295,0.20418019609683702],"twin_dists":[0.10639784130615927,0.1699936813694884,0.17289147751292444,0.1741027537821445,0.18204729639799697,0.19040116316566277,0.19292808366762682,0.1983833843693618,0.20054771296850296,0.20495608195156442,0.2053481458757409,0.20691637234859553,0.20782829203153327,0.21091859344240135,0.21106347984457033,0.21320671274221462,0.21535771188686767,0.22412959562644022,0.22427907790075258,0.2250437309894643,0.2268387409402869,0.22774896231466205,0.22863957719491726,0.2288267511839048,0.2315085039106263],"n_dims_used":45,"mean_confidence":0.8951287163628472},"coverage":{"mean_confidence":0.8951287163628472,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}